Tokyo Aliens

Gunji Akira, who has just started high school, has been chasing after his father’s ghost by trying to become a police officer just like him. One day however, he has a surprise encounter with an alien while leaving school. And there begins the start of his fateful adventures with extraterrestrial life…

Note: It runs in a seinen magazine and will not be BL. At most, just as Fujobait as any shounen sports manga.